/* RESET & BASE */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;--bg:#f8fafc;--bg-card:#ffffff;--text:#0b1a2e;--text2:#2c3e50;--border:rgba(0,0,0,0.06);--shadow:0 8px 24px rgba(0,20,40,0.06);--glass:rgba(255,255,255,0.5);--brand:#0b1a2e;--accent:#d4a11e;--grad-1:#0b1a2e;--grad-2:#1a3b5c;--radius:20px;--radius-sm:12px;--transition:0.3s cubic-bezier(.4,0,.2,1)}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .3s,color .3s}
.dark body{--bg:#0b0f1a;--bg-card:#121a2a;--text:#eef2f8;--text2:#b0c4de;--border:rgba(255,255,255,0.06);--shadow:0 8px 24px rgba(0,0,0,0.5);--glass:rgba(10,18,30,0.6);--brand:#eef2f8;--grad-1:#0b0f1a;--grad-2:#1a2a40}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{opacity:0.8}
img,svg{display:block;max-width:100%;height:auto}
ul{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
/* glass & cards */
.glass,.navbar,.card,.footer-inner{background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:24px;background:var(--bg-card);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.08)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#0b1a2e;font-weight:600;padding:12px 28px;border-radius:60px;border:none;cursor:pointer;transition:var(--transition);box-shadow:0 4px 12px rgba(212,161,30,0.3)}
.btn:hover{background:#e5b73a;transform:scale(1.02);box-shadow:0 8px 20px rgba(212,161,30,0.4)}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);box-shadow:none}
.btn-outline:hover{background:var(--accent);color:#0b1a2e}
/* header */
.navbar{position:sticky;top:12px;z-index:1000;padding:0 24px;margin-top:12px;display:flex;align-items:center;justify-content:space-between;height:70px;background:var(--glass);border-radius:60px;margin-left:12px;margin-right:12px;backdrop-filter:blur(16px)}
.logo svg{height:40px;width:auto;}
.nav-links{display:flex;gap:28px;font-weight:500;align-items:center}
.nav-links a{color:var(--text);position:relative;padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--accent)}
.dark-toggle{background:transparent;border:2px solid var(--border);border-radius:40px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);color:var(--text)}
.dark-toggle:hover{background:var(--accent);color:#0b1a2e;border-color:var(--accent)}
.menu-toggle{display:none;background:transparent;border:none;color:var(--text);font-size:28px;cursor:pointer}
/* hero banner */
.hero{position:relative;padding:80px 0 60px;overflow:hidden;border-radius:0 0 48px 48px;background:linear-gradient(145deg,var(--grad-1),var(--grad-2));margin:0 12px;min-height:70vh;display:flex;align-items:center}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;line-height:1.2;color:#fff;margin-bottom:24px}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1.2rem;color:rgba(255,255,255,0.8);max-width:540px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual svg{width:100%;height:auto;filter:drop-shadow(0 8px 32px rgba(0,0,0,0.3));border-radius:24px}
/* section */
section{padding:80px 0}
.section-title{font-size:2rem;font-weight:700;margin-bottom:12px;letter-spacing:-0.02em}
.section-sub{color:var(--text2);max-width:680px;margin-bottom:48px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.flex-center{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:20px}
.badge{background:var(--accent);color:#0b1a2e;font-weight:600;padding:6px 16px;border-radius:60px;font-size:0.85rem;display:inline-block;margin-bottom:16px}
/* faq */
.faq-item{border-bottom:1px solid var(--border);padding:18px 0;cursor:pointer}
.faq-question{display:flex;justify-content:space-between;font-weight:600;font-size:1.1rem}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.45s ease;color:var(--text2);padding-top:6px}
.faq-item.open .faq-answer{max-height:300px}
.faq-item .icon{transition:transform .3s}
.faq-item.open .icon{transform:rotate(45deg)}
/* footer */
footer{background:var(--grad-1);color:rgba(255,255,255,0.8);padding:48px 0 24px;margin:0 12px;border-radius:40px 40px 0 0}
footer a{color:rgba(255,255,255,0.7)}
footer a:hover{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.copyright{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;text-align:center;font-size:0.9rem}
/* animation helpers */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-up.show{opacity:1;transform:translateY(0)}
.counter{font-size:2.8rem;font-weight:800;color:var(--accent);line-height:1}
/* responsive */
@media(max-width:980px){
  .nav-links{display:none;position:absolute;top:80px;left:12px;right:12px;background:var(--bg-card);flex-direction:column;padding:24px;border-radius:32px;box-shadow:var(--shadow);gap:16px;backdrop-filter:blur(20px);border:1px solid var(--border)}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .hero .container{grid-template-columns:1fr;text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .navbar{margin-left:6px;margin-right:6px;padding:0 16px}
  .hero{margin:0 6px;padding:60px 0 40px;min-height:60vh}
  .footer-grid{grid-template-columns:1fr}
  section{padding:48px 0}
}
/* scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:8px}
/* skeleton */
.pill{background:var(--accent);border-radius:60px;padding:2px 16px;font-weight:600;font-size:0.75rem;color:#0b1a2e;display:inline-block}